Calling asynchronous Firebase APIs from Swift
Callbacks, Combine, and async/await
Feb 2, 20229 min read27
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Networking with Combine and SwiftUI
Getting Started
Jan 17, 202211 min read18
Using async/await in SwiftUI
A lot of the code we write has to deal with asynchronous behaviour. Fetching data from the disk, sending a request to a remote API, or downloading an image - all these operations take time, even on your super-fast, low-latency working-from-home netwo...
Feb 10, 202122 min read102
Firebase Authentication: Migrating User Data
This article is part of a series of articles that explores building a real-world application using SwiftUI, Firebase, and a couple of other technologies. Here is an overview of the series and what we're building: In part 1 of the series, we focussed...
Nov 9, 202016 min read238
Firebase and the new SwiftUI 2 Application Life Cycle
For the longest time, iOS developers have used UIApplicationDelegate to handle application startup and other lifecycle events in their apps. At WWDC 2020, Apple made some significant changes to how apps participate in the application lifecycle. In t...
Oct 19, 20206 min read186
The Ultimate Guide to the SwiftUI 2 Application Life Cycle
For the longest time, iOS developers have used AppDelegates as the main entry point for their applications. With the launch of SwiftUI2 at WWDC 2020, Apple has introduced a new application life cycle that (almost) completely does away with AppDelegat...
Oct 9, 202014 min read178
Updating Data in Firestore from a SwiftUI App
In this series of articles about SwiftUI and Firebase, we’re building a simple CRUD (Create, Read, Update, Delete) application that allows users to manage their book library. In previous episodes, I showed you how to fetch data from Cloud Firestore ...
Sep 28, 202020 min read42
Fetching API Keys from Property List Files
Many APIs require developers to provide an API key and/or API secret in order to be able to access the API. This is both to identify the app that is accessing the API, and to limit access to the API for apps that are known to the API. Both the API ke...
Aug 12, 20209 min read599
Adding Data to Firestore from a SwiftUI app
Previously in this series of articles about SwiftUI and Firebase, we talked about fetching data from Cloud Firestore and how to map from Firestore documents to Swift structs using Swift's Codable API. You might recall that we also introduced a way t...
Jul 1, 202011 min read117